code: def _noop_collate(alist):
      return alist
  
file_path: petastorm/petastorm/tests/test_pytorch_utils.py
imports: from __future__ import division
  import numpy
  from petastorm import make_reader, TransformSpec
  from petastorm.pytorch import DataLoader
  from petastorm.tests.test_common import TestSchema
label_desc: Use image node_id 1 for calling a global function with example usage: _noop_collate(alist) and returns: alist